1812902020040

Names of 1812902020040

• Cardinal: 1812902020040 can be written as One trillion, eight hundred twelve billion, nine hundred two million, twenty thousand and forty.

Scientific notation

• Scientific notation: 1.81290202004 × 10¹²

Factors of 1812902020040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2499

Divisors of 1812902020040

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 20 29 40 41 58 82 116 145 164 205 232 290 328 410 580 820 821 841 1160 1189 1601 1640 1642 1682 2378 3202 3284 3364 4105 4205 4756 5945 6404 6568 6728 8005 8210 8410 9512 11890 12808 16010 16420 16820 23780 23809 32020 32840 33640 33661 34481 46429 47560 47618 64040 65641 67322 68962 92858 95236 119045 131282 134644 137924 168305 172405 185716 190472 232145 238090 262564 269288 275848 328205 336610 344810 371432 464290 476180 525128 656410 673220 689620 690461 928580 952360 976169 1312820 1314421 1346440 1346441 1379240 1380922 1857160 1903589 1952338 2625640 2628842 2692882 2761844 3452305 3807178 3904676 4880845 5257684 5385764 5523688 6572105 6732205 6904610 7614356 7809352 9517945 9761690 10515368 10771528 13144210 13464410 13809220 15228712 19035890 19523380 26288420 26928820 27618440 28308901 38071780 38118209 39046760 52576840 53857640 53891261 55204081 56617802 76143560 76236418 107782522 110408162 113235604 141544505 152472836 190591045 215565044 220816324 226471208 269456305 276020405 283089010 304945672 381182090 431130088 441632648 538912610 552040810 566178020 762364180 1077825220 1104081620 1105428061 1132356040 1524728360 1562846569 2155650440 2208163240 2210856122 3125693138 4421712244 5527140305 6251386276 7814232845 8843424488 11054280610 12502772552 15628465690 22108561220 31256931380 44217122440 45322550501 62513862760 90645101002 181290202004 226612752505 362580404008 453225505010 906451010020 1812902020040
• Sum of all divisors σ(n): 4335550848720
• Sum of proper divisors (its aliquot sum) s(n): 2522648828680
• 1812902020040 is an abundant number, because the sum of its proper divisors (2522648828680) is greater than itself. Its abundance is 709746808640

Bases of 1812902020040

• Binary: 11010011000011001011000011000001111001000₂
• Hexadecimal: 0x1A6196183C8
• Base-36: N4U31Z9K

Squares and roots of 1812902020040

• 1812902020040 squared (1812902020040²) is 3286613734265112561601600
• 1812902020040 cubed (1812902020040³) is 5958308677940430327825519577696064000
• The square root of 1812902020040 is 1346440.4999999071
• The cube root of 1812902020040 is 12193.3987849247

Scales and comparisons

• 1,812,902,020,040 seconds is equal to 57,644 years, 35 weeks, 1 day, 6 hours, 27 minutes, 20 seconds.
• To count from 1 to 1,812,902,020,040 would take you about one hundred forty-four thousand, one hundred eleven years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 1812902020040 cubic inches would be around 1016.1 feet tall.

Recreational maths with 1812902020040

• 1812902020040 backwards is 0400202092181
• 1812902020040 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1812902020040's digits is 29
• More coming soon!